The package includes: There are 3 pieces of t-shirt centering alignment tools, numerous handy tools to help you sew and design t-shirt projects, and share with friends or family 3 SIZES: T-shirt template ruler comes in 3 different sizes, approimately 10 5 inches, 16 5 inches, and 16 3 inches, and they are all about 0.03 inches thick, so you can use this accessory around make different sizes of t-shirts for family members or friends Well made: The rulers for placing T-shirts are made of PVC, are light and portable, but are not easily . They are clearly numbered and marked so that you can read the instructions with ease as they are placed on different parts, the considerate design of the t-shirt color makes it smooth and convenient to use Ease of Use: The vinyl t-shirt making measurement tool is marked with positions for left chest, center, or right chest placement. This is how you get the correct measurement information when making t-shirts. You can align the ruler around the collar to find an eact center point to place your vinyl and start making your vinyl t-shirts Practical Gifts: These t-shirt rulers are for sewing, t-shirt design, and crafting. You can use them to design different types of t-shirts with your own style and to prepare some as gifts , relatives or friends to epress your love or just send the tools to friends who like to sew and do handicrafts cheer them up Colour:Transparent color Material: pvc Package Contents: 3 T-Shirt Making Measuring Tool Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.